Sponsorship Visas: sc457

A 457 visa is a temporary visa (1 day to 4 years) allowing skilled workers be to nominated by an approved Standard Business Sponsor to fill skills shortages in Australia.

Many migrants use this temporary option to gain entrance to Australia however it is not without risk. In the event that the employer experiences any financial problems or there are any reasons for cancelling the sponsorship, the visa holder will have to secure another sponsor within 90 days to take over the existing nomination, or depart from Australia.
Booklet 9

Employer-sponsored subclass 457 visa for overseas workers

Nomination by approved Australian business unable to source skills locally

Occupations found in ANZSCO skills levels 1-3 on skilled list SOL and some skills level 4 on CSOL